Can I take Calcium and Doxycycline together?
Drug interaction guide
Originally published 24 Jan 2026
Satisface las necesidades del paciente directrices editoriales
- DescargarDescargar
- Compartir
- Idioma
- Debate
Taking calcium at the same time as doxycycline can stop the antibiotic from working properly. The calcium attaches to the medicine in your stomach, which prevents your body from absorbing it into your bloodstream. This means the infection you are treating might not clear up as it should.
En este artículo:
Seguir leyendo
Why this happens
This is an absorption issue called 'chelation'. Calcium binds to the doxycycline molecules in the digestive tract to form a large complex that the body cannot absorb.
What you should do
You should separate the doses of these two substances. Take your doxycycline at least 2 hours before or 3 hours after consuming calcium-rich foods (like milk, cheese, or yoghurt) or calcium supplements.
Seguir leyendo
Using other medicines
Taking multiple medicines? Our Medicines Interaction Checker helps you check whether your prescriptions, over-the-counter medicines, and supplements are safe to take together. Simply search for your medicines to see potential interactions and what to do about them.
Descargo de responsabilidad
This information is for general educational purposes only and should not be relied upon as a substitute for professional medical advice. Always consult your GP, pharmacist, or another qualified healthcare professional before making decisions about your medications. Individual circumstances may vary, and only a healthcare professional who knows your medical history can provide personalised guidance.
Patient picks for Drug interactions
Tratamiento y medicación
Can I take Azithromycin and Terbutaline together?
Taking azithromycin and terbutaline together may increase the risk of developing an irregular heart rhythm. While this is rare, it can be serious. Symptoms to watch out for include heart palpitations (a fluttering feeling in the chest), dizziness, fainting, or sudden shortness of breath.
Tratamiento y medicación
Can I take Amlopadine and Amytriptaline together?
Taking amlodipine and amitriptyline together can cause your blood pressure to drop lower than intended. This may make you feel dizzy, lightheaded, or faint, especially when standing up quickly from a sitting or lying position. There is also a small risk that both medications could affect your heart rhythm.
Seguir leyendo
Historia del artículo
La información de esta página ha sido redactada y revisada por médicos cualificados.
24 Enero 2026 | Publicado originalmente
Pregunte, comparta, conecte.
Explore debates, formule preguntas y comparta experiencias sobre cientos de temas de salud.
¿Se encuentra mal?
Evalúe sus síntomas en línea de forma gratuita
Suscríbase al boletín informativo para pacientes.
Tu dosis semanal de consejos de salud claros y fiables, redactados para ayudarte a sentirte informado, seguro y en control.
Al suscribirte, aceptas nuestra Política de privacidad. Puedes darte de baja en cualquier momento. Nunca vendemos tus datos.